Mastech HY3002D, HY3003 Schematic
VA+
R44
22KΩF
VR10
200ΩF
功能
V
A47K
R40
100Ω
VOT-
R40
100ΩF
R42
R46732ΩF
VOT+
R41
100KΩF
C20
R43100kΩF
C21
1MΩF
C22
VOT-
123J
C23
C24101
R47100KΩF
VA-
VA+
224J
104J/63V
104J/63V
COM
U10
27
INT
28
BUF
29
A/I
31
IN+
30
IN-
32
COM
33
CREF
34
CREF
35
REF-
36
REF+
38
OSC3
39
OSC2
40
OSC1
37
TEST
26
V-
1
V+
BP
IC7106
P0/M
21
D1
2
D1
C1
3
C1
B1
4
B1
A1
5
A1
F1
6
F1
G1
7
G1
E1
8
E1
D2
9
D2
C2
10
C2
B2
11
B2
A2
12
A2
F2
13
F2
E2
14
E2
D3
15
D3
B3
16
B3
F3
17
F3
E3
18
E3
G3
22
G3
A3
23
A3
C3
24
C3
G2
25
G2
19
AB4
20
U11
TB1817
B3
G3
G3F3A3B3G2F2A2B2G1F1A1
567891011121314151620
252627282930313233343536373840
E3D3C3
DP3
DP2
E3
DP2
COM
A2A3B1
F2F3G1
G2
E2D2C2
C2C3D1
D2D3E1
E2
A1
B2
F1
COM
B1
V
A COM
E1D1C1
DP1
C1
V
A
DP1
COM
COM
VA+
R52
130ΩJ
LED
VA-
VA+
C25
104J/63V
1
Vin
U12
7809
D21
J
1
2
3
4
8
7
6
5
R481MΩF
R491MΩF
COM
R501MΩF
R511MΩF
电流:
J的4,5脚短路.
A
DP1VDP2
电压:
J的1,8脚短路.
J的3,6脚短路.
J的2,7脚短路.
D20
J1
1N4002
D22
1N4002
1N4002
D23
1N4002
C26
220uF/25V
2
1
3
Vout
GND
2
C27
220uF/25V
C28
104J/63V
VA+
VOT+
VOT-
1
2
J2
VA-
AC IN
1
2
3
4
HY3002-2-T
13
14
15
5
6
7
8
PCB-HY3002D-3（7）
FUSE1
B
A
C
D
K2-2
K2-1
K1-1
K1-2
SW1
D1
D2
1N4002
1N4002
D3
1N4002D41N4002
D7
K2-3
C5
104J/63V
K1-3
D9
PCB-HY3002D（2）
转换开关
CS
6
1N5404
1N5404
DW1
6.2V
R11
Q1
C1008
R12
1KΩF
-6V
+12V
C3
220uF/25V
PCB-HY3002D-3(1)
Q3
2N3055
SK1-9
B
5
10ΩF/0.5W
Q2
D313
LED1
Φ5/RED
LED2
Φ5/RED
11
1KΩF
R13
R1
430ΩF/0.5W
EC
R14
C8
100pF
C10
100pF
C7
100pF
6
5
VR110K
C9
100pF
6
5
1
1
+12V
-6V
74
74
DW6
WL431
2
3
U2
HA17741
+12V
2
3
U3
HA17741
C4
R102
100ΩF
8
PCB-HY3002D-3(2)
-6V
C1*
104J/63V
R23
7.5KΩF
1uF/50V
14
47uF/25V
9
C11
R2
10KΩF/0.5WR3470ΩF/0.5W
VR2
5K
VR3
6.8KΩ
12
VR6 6.8KΩ
1N4002
D5
R103
0.36ΩJ5W
VR5
200Ω
Q4
C1008
PCB-HY3002D-3(2)
Mvot-
K2 K1
Q5
C1008
R24
10KΩF
D6
1N4002
10KΩF
Q6
R4
10KΩF
R18
A708
715
+12V
R19
680KΩF
411
U4A
1
C12
LM324N
123J
-15V
R25
680KΩF
U4C
LM324N
C14123J
10
9
8
R20 3.9KΩ F
3
2
2.2uF/25V
R5
12KΩF
24KΩF
R21 12KΩF
R22 3.9KΩ F
C13
C15
2.2uF/25V
R26 15KΩF
R6
R35 22KΩF
PCB-HY3002D-3(2)
PCB-HY3002D-3(2)
R27
2.2KΩJ/2W
J6
2
1
J7
8
7
6
5
4
3
2
1
R150.03Ω
PCB-HY3002D-3(6)
15
12
11
10
6
9
8
5
Mcur+
PCB-HY3003-2 (LED显示用)
Mcur-
PCB-HY3002D-3(3) (LCD显示用)
Mvot+
MASTER+
C81 104J/63V
D80 1N5402
PCB-HY3002D-3(6)
MASTER-
OUTOUT+
C80 470uF/63V
D8
D10
1N5404
1N5404
1
C1
220uF/25V
C2
220uF/25V
1KΩJ/5W
C6 4700uF/63V
U1L7812CV
Vin
R7
560ΩJ/2W
R8
1KΩF/0.5W
R10
10KΩF
DW2
2.4V
R9
3
Vout
GND
2
-15V
100ΩJ/5W
D11
1N4002
610
PCB-HY3002D-3(2)
1
1
N1
2345
2
3
N1
4
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